Solar flares on November 17, 2025
The most powerful solar flare in 24 hours
C7.5 (normal) flare - November 17 at 2:30 AM
Solar activity index
Value as of the end of the day on November 17, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 16, 2025 to November 17, 2025
Time zone — UTC+01 (Valletta)
List of solar flares for November 17, 2025
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 21:27 | 21:34 | 21:41 | 4284 |
| C5.4 | 17:49 | 17:54 | 17:58 | 4284 |
| C6.1 | 15:31 | 17:06 | 18:03 | 4274 |
| C2.1 | 14:12 | 14:22 | 14:41 | 4274 |
| C1.2 | 11:35 | 11:41 | 11:46 | 4284 |
| C1.7 | 09:00 | 09:09 | 09:12 | 4284 |
| C1.6 | 07:41 | 07:48 | 07:53 | 4284 |
| C1.5 | 07:08 | 07:11 | 07:16 | 4284 |
| C1.3 | 05:19 | 05:27 | 05:30 | 4284 |
| C2.0 | 03:17 | 03:22 | 03:26 | 4284 |
| C7.5 | 02:23 | 02:30 | 02:35 | 4284 |